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High Safety Level Boiler Manifold Header with 1 Year Warranty and 5 Years Core Components Warranty

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High Safety Level Boiler Manifold Header with 1 Year Warranty and 5 Years Core Components Warranty

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Brand Name :	HD Boiler
Certification :	ISO9001,ASME,,EN,CE
Model Number :	Manifold water wall header
Price :	$1,200-1,500

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High Safety Level Boiler Manifold Header with 1 Year Warranty and 5 Years Core Components Warranty

htp boilers

Condensate pipe htp main boilers

Product Description

Steam distribution headers are fabricated out of carbon steel or alloy steel seamless tubes. Customised or tailor made items are offered. Headers, after fabrication, are stress relieved to make the Steam distribution headers free from stresses.They are big pipe headers that transfer water from the downcomers to the risers through a combustion zone where the water gets partially heated to steam from the heat of fuel combustion.

Operation

In bringing a boiler on the line with other boilers on a header system,certain precautionss are necessary to avoid water hammer and excessive temperature gradients in the piping.Adequate drainage and warming of the piping will eliminate the risk of water hammer.The judicious use of bypass valves around main header valves will avoid steep temperature gradients.Header drains should be operated.The steam line from the boiler to the header should be brought up to temperature by operationg bypass and drain valves.When up to temperature and line pressure,the header valve may be opened wide and the bypass closed.

Technical parameters

Diameter(OD)	∅76mm~∅914mm
Length(Max)	23000mm
Temperature(℃)	300~1500

High Safety Level Boiler Manifold Header with 1 Year Warranty and 5 Years Core Components Warranty

Application

The steam boiler pressure part header with large diameter longitudinal welded pipe have water wall header, superheater header, economizer header and so on, it acts as collection, mixture, re-distributing working medium, as the structure, it can be classified as the end cover type( end enclosure) and necking down type.

Material

1. Carbon steel:20G,SA-106B,SA-106C,etc.

2. Low-alloy thermal resistant steel:15CrMoG,12Cr1MoVG,SA-335P12,SA335-P22,etc.

3. Middle-alloy thermal resistant steel:SA-335P91,etc.

4. Special material(ultra-supercritical):SA-335P122,SA-335P92,etc.

The boiler headers have water wall header,superheater header,economizer header and so on. It acts action of gathering, mixing and redistribution in boiler systems. In structure, they include end cover hinders or necking hinders.


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